docs: update public documentation to always use meta handler

Author: dkoshkin

docs/content/audit-policy.md

@@ -18,7 +18,7 @@ spec:
   patches:
     - name: audit-policy
       external:
-        generateExtension: "auditpolicypatch.capi-runtime-extensions"
+        generateExtension: "clusterconfigpatch.capi-runtime-extensions"
 ```
 
 Applying this configuration will result in new bootstrap files on the `KubeadmControlPlaneTemplate`.

docs/content/etcd.md

@@ -15,8 +15,8 @@ spec:
   patches:
     - name: image-registry
       external:
-        generateExtension: "etcdpatch.capi-runtime-extensions"
-        discoverVariablesExtension: "etcdvars.capi-runtime-extensions"
+        generateExtension: "clusterconfigpatch.capi-runtime-extensions"
+        discoverVariablesExtension: "clusterconfigvars.capi-runtime-extensions"
 ```
 
 On the cluster resource then specify desired etcd image repository and/or image tag values:
@@ -29,11 +29,12 @@ metadata:
 spec:
   topology:
     variables:
-      - name: etcd
-        values:
-          image:
-            repository: my-registry.io/my-org/my-repo
-            tag: "v3.5.99_custom.0"
+      - name: clusterConfig
+        value:
+          etcd:
+            image:
+              repository: my-registry.io/my-org/my-repo
+              tag: "v3.5.99_custom.0"
 ```
 
 Applying this configuration will result in the following value being set:

docs/content/extra-apiserver-cert-sans.md

@@ -17,8 +17,8 @@ spec:
   patches:
     - name: apiserver-cert-sans
       external:
-        generateExtension: "extraapiservercertsanspatch.capi-runtime-extensions"
-        discoverVariablesExtension: "extraapiservercertsansvars.capi-runtime-extensions"
+        generateExtension: "clusterconfigpatch.capi-runtime-extensions"
+        discoverVariablesExtension: "clusterconfigvars.capi-runtime-extensions"
 ```
 
 On the cluster resource then specify desired certificate SANs values:
@@ -31,10 +31,11 @@ metadata:
 spec:
   topology:
     variables:
-      - name: extraAPIServerCertSANs
+      - name: clusterConfig
         value:
-          - a.b.c.example.com
-          - d.e.f.example.com
+          extraAPIServerCertSANs:
+            - a.b.c.example.com
+            - d.e.f.example.com
 ```
 
 Applying this configuration will result in the certificate SANs being correctly set in the

docs/content/http-proxy.md

@@ -17,8 +17,8 @@ spec:
   patches:
     - name: http-proxy
       external:
-        generateExtension: "httpproxypatch.capi-runtime-extensions"
-        discoverVariablesExtension: "httpproxyvars.capi-runtime-extensions"
+        generateExtension: "clusterconfigpatch.capi-runtime-extensions"
+        discoverVariablesExtension: "clusterconfigvars.capi-runtime-extensions"
 ```
 
 On the cluster resource then specify desired HTTP proxy values:
@@ -31,13 +31,14 @@ metadata:
 spec:
   topology:
     variables:
-      - name: proxy
+      - name: clusterConfig
         value:
-          http: http://example.com
-          https: http://example.com
-          additionalNo:
-            - no-proxy-1.example.com
-            - no-proxy-2.example.com
+          proxy:
+            http: http://example.com
+            https: https://example.com
+            additionalNo:
+              - no-proxy-1.example.com
+              - no-proxy-2.example.com
 ```
 
 The `additionalNo` list will be added to default pre-calculated values that apply on k8s networking

docs/content/kubernetes-image-repository.md

@@ -15,8 +15,8 @@ spec:
   patches:
     - name: image-repository
       external:
-        generateExtension: "imagerepositorypatch.capi-runtime-extensions"
-        discoverVariablesExtension: "imagerepositoryvars.capi-runtime-extensions"
+        generateExtension: "clusterconfigpatch.capi-runtime-extensions"
+        discoverVariablesExtension: "clusterconfigvars.capi-runtime-extensions"
 ```
 
 On the cluster resource then specify desired Kubernetes image repository value:
@@ -27,10 +27,10 @@ kind: Cluster
 metadata:
   name: <NAME>
 spec:
-  topology:
-    variables:
-      - name: kubernetesImageRepository
-        value: "my-registry.io/my-org/my-repo"
+  variables:
+    - name: clusterConfig
+      value:
+        imageRepository: my-registry.io/my-org/my-repo
 ```
 
 Applying this configuration will result in the following value being set: